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17 Cards in this Set

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Coloring of the skin
Melanin, dermal circulation, and carotene
Dermis
Mostly CT, blood vessels, extracellular space, glands, nerves, and sensory receptors
2 layers of Dermis
Papillary layer
Reticular layer
Papilary layer
From dermal papillae, composed of loose CT, supports upper epidermis, has epidermal ridges that forms finger prints
Dermal papillae
Gives name to papillary layer, contains blood vessels that pushes up to epidermis
Reticular layer
Dense irregular CT, deeper and thicker dermal layer, endures stress from all angles
Hypodermal layer
Subcutaneous layer, loaded with adipose tissue, store nutrient, maintains body temperature
Hair
Another name for “pili”, found 25% on the scalp and 75% all over body, protection from harsh temperature
Arrector pili
Hair muscle, contracts and generates heat causing gosebumps
3 types of glands found in the skin
Sebaceous (oil) gland, Sweat (sudoriferous) gland, Ceruminous gland
Sebaceous (oil) gland
Holocrine secretion, secretes sebum (oil), not found in palms and soles, not active until puberty, cause clog up pores that leads to infection on teenage faces
Sebum
Oils hair, lubricates skin, forms oily film that retards water loss, produces lysozymes
Lysozymes
Antibiotic that destroys bacteria on the skin surface
Sweat (sudoriferous) gland
Regulate body temperature, can be merocrine or apocrine
Merocrine sweat gland
“Eccrine”, distributed all over body, controls body temperature
Apocrine sweat gland
Found in axillary and genital areas; do not control body temperature, secreted during sexual activity, viscous and odorous
Ceruminous gland
Produces “cerumin” or ear wax, only found in the external auditory canal